The standard electrical dictionary : a popular encyclopaedia of words and terms used in the practice of electrical engineering (1898)
Sloane, T. O'Conor (Thomas O'Conor), 1851-1940 · London : Crosby Lockwood and Son · leaf 609
Fig. 366.Floor Insulator. … Fig. 367. Strain Insulator. Insulator, Transposition. A two-grooved insulator used intransposing telephone line wires. In a metallic (two wire) cir-cuit the two lines are cut at a pole, the two ends of one wire are STANDARD ELECTRICAIv DICTIONARY. 605 dead-ended on one insulator, and the two other…
Electricity
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